MFR Metal Film Resistors

Welwyn / TT Electronics MFR Metal Film Resistors are professional grade approved to IECQ-CECC 40101-803 and 019 and offer tolerances down to 0.5%. Welwyn / TT Electronics MFR Metal Film Resistors feature a 1Ω to 1MΩ resistance range and a 0.4W to 0.75W power rating. The series offers 200V or 350V rated voltage and operates over a -55°C to +155°C operating temperature range.

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Description Datasheet Availability Pricing (USD) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Series
Resistance
Power Rating
Tolerance
Temperature Coefficient
Minimum Operating Temperature
Maximum Operating Temperature
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Welwyn Components / TT Electronics Metal Film Resistors - Through Hole 150K ohm 1% 350V Metal Film Resistor
Datasheet
9,160In Stock
Min.: 1
Mult.: 1
Reel: 5,000

MFR 150 kOhms 500 mW (1/2 W) 1 % 50 PPM / C - 55 C + 155 C 350 V 2.5 mm 6.2 mm Axial Ammo Pack Metal Film Resistors General Purpose Metal Film Resistor
Welwyn Components / TT Electronics Metal Film Resistors - Through Hole 1K ohm 1% 350V Metal Film Resistor
Datasheet
2,512In Stock
Min.: 1
Mult.: 1
Reel: 5,000

MFR 1 kOhms 500 mW (1/2 W) 1 % 50 PPM / C - 55 C + 155 C 350 V 2.5 mm 6.2 mm Axial Ammo Pack Metal Film Resistors General Purpose Metal Film Resistor
Welwyn Components / TT Electronics Metal Film Resistors - Through Hole 1.5K ohm 1% 0.5W
Datasheet
7,413In Stock
Min.: 1
Mult.: 1
Reel: 5,000

MFR 1.5 kOhms 500 mW (1/2 W) 1 % 50 PPM / C - 55 C + 155 C 350 V 2.5 mm 6.2 mm Axial Ammo Pack Metal Film Resistors General Purpose Metal Film Resistor
Welwyn Components / TT Electronics Metal Film Resistors - Through Hole 220K ohm 1% 350V Metal Film Resistor
Datasheet
8,517In Stock
Min.: 1
Mult.: 1
Reel: 5,000

MFR 220 kOhms 500 mW (1/2 W) 1 % 50 PPM / C - 55 C + 155 C 350 V 2.5 mm 6.2 mm Axial Ammo Pack Metal Film Resistors General Purpose Metal Film Resistor
Welwyn Components / TT Electronics Metal Film Resistors - Through Hole 270 ohm 1% 350V Metal Film Resistor
Datasheet
5,751In Stock
Min.: 1
Mult.: 1
Reel: 5,000

MFR 270 Ohms 500 mW (1/2 W) 1 % 50 PPM / C - 55 C + 155 C 350 V 2.5 mm 6.2 mm Axial Ammo Pack Metal Film Resistors General Purpose Metal Film Resistor
Welwyn Components / TT Electronics Metal Film Resistors - Through Hole 27K ohm 1% 0.5W
Datasheet
6,985In Stock
Min.: 1
Mult.: 1
Reel: 5,000

MFR 27 kOhms 500 mW (1/2 W) 1 % 50 PPM / C - 55 C + 155 C 350 V 2.5 mm 6.2 mm Axial Ammo Pack Metal Film Resistors General Purpose Metal Film Resistor
Welwyn Components / TT Electronics Metal Film Resistors - Through Hole 39K ohm 1% 0.5W
Datasheet
3,177In Stock
10,000Expected 11/09/2026
Min.: 1
Mult.: 1
Reel: 5,000

MFR 39 kOhms 500 mW (1/2 W) 1 % 50 PPM / C - 55 C + 155 C 350 V 2.5 mm 6.2 mm Axial Ammo Pack Metal Film Resistors General Purpose Metal Film Resistor
Welwyn Components / TT Electronics Metal Film Resistors - Through Hole 3K OHM 1% 3/4W
Datasheet
14,763In Stock
Min.: 1
Mult.: 1
Reel: 5,000

MFR 3 kOhms 500 mW (1/2 W) 1 % 50 PPM / C - 55 C + 155 C 350 V 2.5 mm 6.2 mm Axial Ammo Pack Metal Film Resistors General Purpose Metal Film Resistor
Welwyn Components / TT Electronics Metal Film Resistors - Through Hole
Datasheet
13,746In Stock
Min.: 1
Mult.: 1
Reel: 5,000

MFR 3.9 kOhms 500 mW (1/2 W) 1 % 50 PPM / C - 55 C + 155 C 350 V 3 mm 6.8 mm Axial Ammo Pack Metal Film Resistors General Purpose
Welwyn Components / TT Electronics Metal Film Resistors - Through Hole 470K ohm 1% 350V Metal Film Resistor
Datasheet
1,828In Stock
Min.: 1
Mult.: 1
Reel: 5,000

MFR 470 kOhms 500 mW (1/2 W) 1 % 50 PPM / C - 55 C + 155 C 350 V 2.5 mm 6.2 mm Axial Ammo Pack Metal Film Resistors General Purpose Metal Film Resistor
Welwyn Components / TT Electronics Metal Film Resistors - Through Hole 56 ohm 1% 0.5W
Datasheet
9,117In Stock
Min.: 1
Mult.: 1
Reel: 5,000

MFR 56 Ohms 500 mW (1/2 W) 1 % 50 PPM / C - 55 C + 155 C 350 V 2.5 mm 6.2 mm Axial Ammo Pack Metal Film Resistors General Purpose Metal Film Resistor
Welwyn Components / TT Electronics Metal Film Resistors - Through Hole 5.1K ohm 1% 350V Metal Film Resistor
Datasheet
5,550In Stock
Min.: 1
Mult.: 1
Reel: 5,000

MFR 5.1 kOhms 500 mW (1/2 W) 1 % 50 PPM / C - 55 C + 155 C 350 V 2.5 mm 6.2 mm Axial Ammo Pack Metal Film Resistors General Purpose Metal Film Resistor
Welwyn Components / TT Electronics Metal Film Resistors - Through Hole 680 ohm 1% 350V Metal Film Resistor
Datasheet
10,141In Stock
Min.: 1
Mult.: 1
Reel: 5,000

MFR 680 Ohms 500 mW (1/2 W) 1 % 50 PPM / C - 55 C + 155 C 350 V 2.5 mm 6.2 mm Axial Ammo Pack Metal Film Resistors General Purpose Metal Film Resistor
Welwyn Components / TT Electronics Metal Film Resistors - Through Hole 75K ohm 1% 0.5W
Datasheet
8,731In Stock
Min.: 1
Mult.: 1
Reel: 5,000

MFR 75 kOhms 500 mW (1/2 W) 1 % 50 PPM / C - 55 C + 155 C 350 V 2.5 mm 6.2 mm Axial Ammo Pack Metal Film Resistors General Purpose Metal Film Resistor
Welwyn Components / TT Electronics Metal Film Resistors - Through Hole
Datasheet
468In Stock
Min.: 1
Mult.: 1
Reel: 2,500

MFR 100 Ohms 750 mW (3/4 W) 1 % 100 PPM / C - 55 C + 155 C 350 V 3.6 mm 9 mm Axial Ammo Pack Metal Film Resistors General Purpose Metal Film Resistor
Welwyn Components / TT Electronics Metal Film Resistors - Through Hole 10K ohm 1% 0.75W
Datasheet
9,016In Stock
Min.: 1
Mult.: 1
Reel: 2,500

MFR 10 kOhms 750 mW (3/4 W) 1 % 100 PPM / C - 55 C + 155 C 350 V 3.6 mm 9 mm Axial Ammo Pack Metal Film Resistors General Purpose Metal Film Resistor
Welwyn Components / TT Electronics Metal Film Resistors - Through Hole 10 ohm 1% 0.75W
Datasheet
6,494In Stock
Min.: 1
Mult.: 1
Reel: 2,500

MFR 10 Ohms 750 mW (3/4 W) 1 % 150 PPM / C - 55 C + 155 C 350 V 3.6 mm 9 mm Axial Ammo Pack Metal Film Resistors General Purpose Metal Film Resistor
Welwyn Components / TT Electronics Metal Film Resistors - Through Hole 120 ohm 1% 0.75W
Datasheet
1,380In Stock
7,500Expected 01/07/2026
Min.: 1
Mult.: 1
Reel: 2,500

MFR 120 Ohms 750 mW (3/4 W) 1 % 100 PPM / C - 55 C + 155 C 350 V 3.6 mm 9 mm Axial Ammo Pack Metal Film Resistors General Purpose Metal Film Resistor
Welwyn Components / TT Electronics Metal Film Resistors - Through Hole 15 ohm 1% 0.75W
Datasheet
3,490In Stock
Min.: 1
Mult.: 1
Reel: 2,500

MFR 15 Ohms 750 mW (3/4 W) 1 % 100 PPM / C - 55 C + 155 C 350 V 3.6 mm 9 mm Axial Ammo Pack Metal Film Resistors General Purpose Metal Film Resistor
Welwyn Components / TT Electronics Metal Film Resistors - Through Hole 220K ohm 1% 0.75W
Datasheet
5,918In Stock
Min.: 1
Mult.: 1
Reel: 2,500

MFR 220 kOhms 750 mW (3/4 W) 1 % 100 PPM / C - 55 C + 155 C 350 V 3.6 mm 9 mm Axial Ammo Pack Metal Film Resistors General Purpose Metal Film Resistor
Welwyn Components / TT Electronics Metal Film Resistors - Through Hole 220 ohm 1% 0.75W
Datasheet
1,926In Stock
Min.: 1
Mult.: 1
Reel: 2,500

MFR 220 Ohms 750 mW (3/4 W) 1 % 100 PPM / C - 55 C + 155 C 350 V 3.6 mm 9 mm Axial Ammo Pack Metal Film Resistors General Purpose Metal Film Resistor
Welwyn Components / TT Electronics Metal Film Resistors - Through Hole
Datasheet
3,596In Stock
Min.: 1
Mult.: 1
Reel: 2,500

MFR 33 kOhms 750 mW (3/4 W) 1 % 100 PPM / C - 55 C + 155 C 350 V 3.6 mm 9 mm Axial Ammo Pack Metal Film Resistors General Purpose Metal Film Resistor
Welwyn Components / TT Electronics Metal Film Resistors - Through Hole 470K ohm 1% 0.75W
Datasheet
1,796In Stock
Min.: 1
Mult.: 1
Reel: 2,500

MFR 470 kOhms 750 mW (3/4 W) 1 % 100 PPM / C - 55 C + 155 C 350 V 3.6 mm 9 mm Axial Ammo Pack Metal Film Resistors General Purpose Metal Film Resistor
Welwyn Components / TT Electronics MFR3-100RFC
Welwyn Components / TT Electronics Metal Film Resistors - Through Hole 100 ohm 1% 200V Metal Film Resistor
Datasheet
29,254In Stock
Min.: 1
Mult.: 1
Reel: 5,000

MFR 100 Ohms 400 mW 1 % 50 PPM / C - 55 C + 155 C 200 V 2 mm 3.7 mm Axial Ammo Pack Metal Film Resistors General Purpose Metal Film Resistor
Welwyn Components / TT Electronics MFR3-220RFC
Welwyn Components / TT Electronics Metal Film Resistors - Through Hole 220 ohm 1% 200V Metal Film Resistor
Datasheet
25,512In Stock
Min.: 1
Mult.: 1
Reel: 5,000

MFR 220 Ohms 400 mW 1 % 50 PPM / C - 55 C + 155 C 200 V 2 mm 3.7 mm Axial Ammo Pack Metal Film Resistors General Purpose Metal Film Resistor